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Device used for measuring wind speed.
0.75 Watt – 1.5V, 500mA Solar Panel with Alligator Clips
Measure barometric pressure, relative humidity, and air temperature.
The rain gauges includes a glass vial which can measure up to 125mm of rain.
Shaped to stand alone in the garden or mountable on outside door, wall or other surface.
No batteries required.
Dial type bimetallic thermometer.
Build a solar electric generator, motor, water heater, furnace, thermometer, crane and solar energy mobiles.